Wasn't checking the range of the device id in cdio_have_driver. Add regression test for checking this too.

More git administrivia.

lib/driver/device.c

@@ -857,6 +857,9 @@ cdio_have_atapi(CdIo_t *p_cdio)
 bool
 cdio_have_driver(driver_id_t driver_id)
 {
+  if (driver_id < CDIO_MIN_DRIVER || 
+      driver_id > CDIO_MAX_DRIVER) 
+    return false;
   return (*CdIo_all_drivers[driver_id].have_driver)();
 }